SE9500927D0 - Method of tcf or ecf bleaching of cellulose pulp - Google Patents

Method of tcf or ecf bleaching of cellulose pulp

Info

Publication number
SE9500927D0
SE9500927D0 SE9500927A SE9500927A SE9500927D0 SE 9500927 D0 SE9500927 D0 SE 9500927D0 SE 9500927 A SE9500927 A SE 9500927A SE 9500927 A SE9500927 A SE 9500927A SE 9500927 D0 SE9500927 D0 SE 9500927D0
Authority
SE
Sweden
Prior art keywords
pulp
stage
tcf
subjected
less
Prior art date
Application number
SE9500927A
Other languages
English (en)
Other versions
SE9500927A0 (sv
SE9500927L (sv
Inventor
Kaj Henricson
Olavi Pikka
Original Assignee
Ahlstroem Oy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FI941229A external-priority patent/FI98839B/sv
Priority claimed from FI944348A external-priority patent/FI944348A/sv
Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy
Publication of SE9500927D0 publication Critical patent/SE9500927D0/sv
Publication of SE9500927A0 publication Critical patent/SE9500927A0/sv
Publication of SE9500927L publication Critical patent/SE9500927L/sv

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE9500927A 1994-03-16 1995-03-16 Förfarande för tcf- eller efc-blekning av massa SE9500927L (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI941229A FI98839B (sv) 1994-03-16 1994-03-16 Förfarande för blekning av massa
FI944348A FI944348A (sv) 1994-09-19 1994-09-19 Förfarande för blekning av kraftmassa
FI950200A FI950200A (sv) 1994-03-16 1995-01-17 Förfarande för blekning av massa

Publications (3)

Publication Number Publication Date
SE9500927D0 true SE9500927D0 (sv) 1995-03-16
SE9500927A0 SE9500927A0 (sv) 1995-09-17
SE9500927L SE9500927L (sv) 1995-09-17

Family

ID=27241603

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9500927A SE9500927L (sv) 1994-03-16 1995-03-16 Förfarande för tcf- eller efc-blekning av massa

Country Status (3)

Country Link
CA (1) CA2144677A1 (sv)
FI (1) FI950200A (sv)
SE (1) SE9500927L (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE538752C2 (sv) * 2014-11-21 2016-11-08 Innventia Ab Process for the production of a treated pulp, treated pulp, and textile fibres produced from the treated pulp

Also Published As

Publication number Publication date
SE9500927A0 (sv) 1995-09-17
FI950200A0 (sv) 1995-01-17
CA2144677A1 (en) 1995-09-17
SE9500927L (sv) 1995-09-17
FI950200A (sv) 1995-09-17

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